This production doesn't start with a philosophical proposition but with one man's all-too-familiar descent into the twilight of old age.

He started using diagrams within his paintings as philosophical propositions.

There are concepts in many of the fables of faith, philosophical propositions about the nature of the universe.

But while the exercise may make for good politics, as a philosophical proposition it is arguably deeply flawed.

The principle that the logical clarification of thoughts can only be achieved by analysis of the logical form of philosophical propositions.

In philosophy, incorrigibility is a property of a philosophical proposition, which implies that it is necessarily true simply by virtue of being believed.

The mechanism which explains the connection between the mental and the physical would therefore be a philosophical proposition as compared to a scientific theory.

Based upon the philosophical proposition of causal determinism.

While Lincoln's beliefs are comforting, they hinge upon a philosophical proposition that modern man cannot help but question - the existence of God.

Gould further states that these philosophical propositions must be assumed before you can proceed as a scientist doing science.